76047257 has 8 divisors (see below), whose sum is σ = 89342400. Its totient is φ = 63815760.

The previous prime is 76047233. The next prime is 76047299. The reversal of 76047257 is 75274067.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76047257 - 2¹⁴ = 76030873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76047257.

It is not an unprimeable number, because it can be changed into a prime (76047157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265757 + ... + 266042.

It is an arithmetic number, because the mean of its divisors is an integer number (11167800).

Almost surely, 2^76047257 is an apocalyptic number.

It is an amenable number.

76047257 is a deficient number, since it is larger than the sum of its proper divisors (13295143).

76047257 is a wasteful number, since it uses less digits than its factorization.

76047257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531823.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 76047257 is about 8720.5078407166. The cubic root of 76047257 is about 423.6701351098.

The spelling of 76047257 in words is "seventy-six million, forty-seven thousand, two hundred fifty-seven".